6. It snowed heavily last night. The ground _____ thick snow. (1998武汉)

A. was covered with B. was filled with C. was made of D. wasgetting on with

5. His schoolbag _____ away by a woman ten minutes ago. (1998河北)

A. took B. had taken C. was taken D. were taken

4. –Do you like the flower? -Yes, it _____ sweet. (1999内蒙古)

A. 　is smelling 　B. smelt 　C. is smelt 　D. smells

3. Paper _____ first invented in China. (1999昆明)

A. is 　B. are 　C. was 　D. were

2. Many kinds of new bicycles _____ in Number One Machine Factory now.

A. are making B. are made C. have made D. will make

1. The river smells terrible. People must _____ dirty things into it. (1999南京)

A. be stopped to throw B. be stopped from throwing

C. stop to throw D. stop from throwing

20. We saw some boys playing football behind the house.

Some boys _____ _____ _____ football behind the house.

△ 提 高 型

19. The boss made the workers work all day.]

The workers _____ _____ _____ work all day (by the boss).

18. I’ll buy my daughter a new watch.

A new watch will _____ _____ _____ my daughter.

17. You can look up the word in the dictionary.

The word can _____ _____ _____ in the dictionary.